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https://www.readbyqxmd.com/read/28256626/treatment-of-steroid-induced-osteonecrosis-of-the-femoral-head-using-porous-se-sio2-nanocomposites-to-suppress-reactive-oxygen-species
#1
Guoying Deng, Kerun Niu, Feng Zhou, Buxiao Li, Yingjie Kang, Xijian Liu, Junqing Hu, Bo Li, Qiugen Wang, Chengqing Yi, Qian Wang
Reducing oxidative stress (ROS) have been demonstrated effective for steroid-induced osteonecrosis of the femoral head (steroid-induced ONFH). Selenium (Se) plays an important role in suppressing oxidative stress and has huge potential in ONFH treatments. However the Se has a narrow margin between beneficial and toxic effects which make it hard for therapy use in vivo. In order to make the deficiency up, a control release of Se (Se@SiO2) were realized by nanotechnology modification. Porous Se@SiO2 nanocomposites have favorable biocompatibility and can reduced the ROS damage effectively...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28255363/exosomes-derived-from-human-platelet-rich-plasma-prevent-apoptosis-induced-by-glucocorticoid-associated-endoplasmic-reticulum-stress-in-rat-osteonecrosis-of-the-femoral-head-via-the-akt-bad-bcl-2-signal-pathway
#2
Shi-Cong Tao, Ting Yuan, Bi-Yu Rui, Zhen-Zhong Zhu, Shang-Chun Guo, Chang-Qing Zhang
An excess of glucocorticoids (GCs) is reported to be one of the most common causes of osteonecrosis of the femoral head (ONFH). In addition, GCs can induce bone cell apoptosis through modulating endoplasmic reticulum (ER) stress. Among the three main signal pathways in ER stress, the PERK (protein kinase RNA-like ER kinase)/CHOP (CCAAT-enhancer-binding protein homologous protein) pathway has been considered to be closely associated with apoptosis. Platelet-rich plasma (PRP) has been referred to as a concentration of growth factors and the exosomes derived from PRP (PRP-Exos) have a similar effect to their parent material...
2017: Theranostics
https://www.readbyqxmd.com/read/28255275/exosomes-secreted-from-human-induced-pluripotent-stem-cell-derived-mesenchymal-stem-cells-prevent-osteonecrosis-of-the-femoral-head-by-promoting-angiogenesis
#3
Xiaolin Liu, Qing Li, Xin Niu, Bin Hu, Shengbao Chen, Wenqi Song, Jian Ding, Changqing Zhang, Yang Wang
Background: Local ischemia is the main pathological performance in osteonecrosis of the femoral head (ONFH). There is currently no effective therapy to promote angiogenesis in the femoral head. Recent studies revealed that exosomes secreted by induced pluripotent stem cell-derived mesenchymal stem cells (iPS-MSC-Exos) have great therapeutic potential in ischemic tissues, but whether they could promote angiogenesis in ONFH has not been reported, and little is known regarding the underlying mechanism. Methods: iPS-MSC-Exos were intravenously injected to a steroid-induced rat osteonecrosis model...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28251470/3d-printed-porous-titanium-changed-femoral-head-repair-growth-patterns-osteogenesis-and-vascularisation-in-porous-titanium
#4
Wei Zhu, Yan Zhao, Qi Ma, Yingjie Wang, Zhihong Wu, Xisheng Weng
Osteonecrosis of the femoral head (ONFH) is a major cause of morbidity, and total hip arthroplasty is both traumatic and expensive. Here, we created a gelatine scaffold embedded in uniquely shaped, 3D-printed porous titanium parts, which could attract and promote the proliferation of osteoblasts as well as bone regeneration, as the extracellular matrix (ECM) does in vivo. Interestingly, after hybridisation with platelets, the scaffold exhibited a low yet considerable rate of stable, safe and long-term growth factor release...
April 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28247166/progranulin-protects-against-osteonecrosis-of-the-femoral-head-by-activating-erk1-2-pathway
#5
Yingguang Han, Meng Si, Yunpeng Zhao, Yi Liu, Kaiyuan Cheng, Yuedong Zhang, Jialin Jia, Jingkun Li, Lin Nie
The aim of this study was to investigate progranulin (PGRN) expression and its effect in cartilage degradation and in the pathogenesis of osteonecrosis of the femoral head (ONFH). Cartilage specimens were obtained from ONFH and FNF patients and PGRN expression was analyzed by immunohistochemistry, western blot analysis, and RT-PCR. Peripheral blood PGRN level was detected by ELISA. Additionally, primary chondrocytes were cultured and treated with PGRN. Next, the expression of aggrecan and collagen II and the activation of ERK1/2 were detected...
February 28, 2017: Inflammation
https://www.readbyqxmd.com/read/28207735/long-non-coding-rna-hotair-inhibits-mir-17-5p-to-regulate-osteogenic-differentiation-and-proliferation-in-non-traumatic-osteonecrosis-of-femoral-head
#6
Biaofang Wei, Wei Wei, Baoxiang Zhao, Xiaxia Guo, Song Liu
BACKGROUND AND AIM: The biological functions of non-coding RNAs (ncRNAs) have been widely identified in many human diseases. In the present study, the relationship between long non-coding RNA HOTAIR and microRNA-17-5p (miR-17-5p) and their roles in osteogenic differentiation and proliferation in non-traumatic osteonecrosis of femoral head (ONFH) were investigated. METHODS: The expression levels of HOTAIR and miR-17-5p in the mesenchymal stem cells (MSCs) derived from patients with non-traumatic ONFH and osteoarthritis (OA) were examined by real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28167850/hip-osteonecrosis-is-associated-with-increased-plasma-il-33-level
#7
Jinhui Ma, Wanshou Guo, Zirong Li, Bailiang Wang, Shirui Li, Peng Wang
The recently discovered IL-33 as an IL-1 cytokine family member has been proved to be specifically released from osteonecrotic bones. We aimed to investigate the potential role of IL-33 in the development of osteonecrosis of femoral head (ONFH). Forty patients diagnosed with ONFH and forty age-, sex-, and body mass index- (BMI-) matched healthy subjects were included in this prospective study between March 2016 and September 2016. A commercially available ELISA kit was used to test the level of plasma IL-33...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28162838/evidence-for-the-use-of-cell-based-therapy-for-the-treatment-of-osteonecrosis-of-the-femoral-head-a-systematic-review-of-the-literature
#8
Nicolas S Piuzzi, Jorge Chahla, John B Schrock, Robert F LaPrade, Cecilia Pascual-Garrido, Michael A Mont, George F Muschler
BACKGROUND: Cell-therapy has been promoted among the therapeutic arsenal that can aid in bone formation and remodeling, in early stages of osteonecrosis of the femoral head (ONFH). The purpose of this systematic review was to assess the evidence supporting the (1) clinical efficacy; (2) structural modifying effect, as evaluated radiographically; (3) revision rates; and (4) safety of cell-therapy for the treatment of ONFH. METHODS: A systematic review was performed including studies with a level-of-evidence of III or higher...
January 12, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28148658/long-term-outcomes-of-transtrochanteric-rotational-osteotomy-for-non-traumatic-osteonecrosis-of-the-femoral-head
#9
D Morita, Y Hasegawa, T Okura, Y Osawa, N Ishiguro
AIMS: Transtrochanteric rotational osteotomy (TRO) is performed for young patients with non-traumatic osteonecrosis of the femoral head (ONFH) to preserve the hip. We aimed to investigate the long-term outcomes and the risk factors for failure 15 years after this procedure. PATIENTS AND METHODS: This study included 95 patients (111 hips) with a mean age of 40 years (21 to 64) who underwent TRO for ONFH. The mean follow-up was 18.2 years (3 to 26). Kaplan-Meier survivorship analyses were performed with conversion to total hip arthroplasty (THA) and radiological failure due to secondary collapse of the femoral head or osteoarthritic changes as the endpoint...
February 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28121934/extracorporeal-shockwave-therapy-in-osteonecrosis-of-femoral-head-a-systematic-review-of-now-available-clinical-evidences
#10
REVIEW
Qingyu Zhang, Lihua Liu, Wei Sun, Fuqiang Gao, Liming Cheng, Zirong Li
BACKGROUND: Osteonecrosis is an incapacitating disorder with high morbidity. Though extracorporeal shockwave therapy (ESWT) provides a noninvasive treatment option, controversial subjects still exist about its effectiveness, indications, and mechanism of action. METHODS: An electronic databases search was performed using PubMed, Embase, and the Cochrane library to collect clinical trials, case reports, and cases series on this topic and then useful data were extracted and appraised by experienced clinicians...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28108757/degeneration-of-articular-cartilage-in-osteonecrosis-of-the-femoral-head-begins-at-the-necrotic-region-after-collapse-a-preliminary-study-using-t1-rho-mri
#11
Kazuhiko Sonoda, Goro Motomura, Satoshi Kawanami, Yukihisa Takayama, Hiroshi Honda, Takuaki Yamamoto, Yasuharu Nakashima
OBJECTIVE: The purpose of this study is to evaluate the role of collapse on the degeneration of articular cartilage in patients with osteonecrosis of the femoral head (ONFH). MATERIALS AND METHODS: Sixteen hips in 12 patients (four men, eight women; mean age, 34.8 years) with a history of systemic corticosteroid treatment were studied using T1 rho magnetic resonance imaging (MRI). Six hips had collapsed ONFH, five had non-collapsed ONFH, and five had no osteonecrosis (controls)...
January 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28106233/a-novel-digital-templating-methodology-for-arthroplasty-experience-from-patients-with-osteonecrosis-of-the-femoral-head
#12
Ning Dong, Chen Yang, Shu-Qiang Li, Yu-Hang Gao, Jian-Guo Liu, Xin Qi
PURPOSE: To assess the accuracy of a novel digital templating methodology for total hip arthroplasty (THA) in patients with osteonecrosis of the femoral head (ONFH). METHODS: A retrospective study was carried out on 77 hips in 58 patients who had undergone uncemented THA for ONFH. Preoperative radiographs were templated using a 2-step procedure: (i) calculation of basic cup and stem sizes based on the anatomical morphology; (ii) adjustment of the basic sizes to account for variables such as femoral external rotation, osteoporotic changes in the femur, osteosclerotic changes in the acetabulum, and the type of stem...
January 20, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28102156/quality-of-life-in-pediatric-patients-with-avascular-necrosis-of-the-femoral-head
#13
Luanne Lísle Dos Santos Silva, Marilda Castelar, Marcos Almeida Matos
BACKGROUND: The aim of the present study was to evaluate health-related quality of life in pediatric patients with avascular necrosis of the femoral head. MATERIAL AND METHODS: A comparative study was conducted involving 32 children and adolescents in "ONFH Group" (subjects with a diagnosis of ONFH) and 44 in "Comparison Group" (asymptomatic children), both aged between 8 and 18. Clinical and sociodemographic data were obtained along with PedsQL 4.0 questionnaires to evaluate the quality of life in the age-ranges studied...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28017874/factors-influencing-progressive-collapse-of-the-transposed-necrotic-lesion-after-transtrochanteric-anterior-rotational-osteotomy-for-osteonecrosis-of-the-femoral-head
#14
Yusuke Kubo, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Takuaki Yamamoto, Yasuharu Nakashima
BACKGROUND: Transtrochanteric anterior rotational osteotomy (ARO) for osteonecrosis of the femoral head (ONFH) can preserve for a long-time collapsed femoral head. Progressive collapse of anteriorly-transposed necrotic lesion leads to secondary arthritic changes and clinical failure. Critical factors influencing collapse of the transposed necrotic lesion after ARO remain largely unknown. Therefore we performed a retrospective study of ARO to determine: 1) if pre-operative collapse influences collapse of the transposed necrotic area, 2) if any other factor may influence collapse of the transposed necrotic area...
December 22, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28009135/diagnostics-of-femoral-head-status-in-humans-using-laser-spectroscopy-in-vitro-studies
#15
Huiying Lin, Wansha Li, Hao Zhang, Peng Chen, Delong Chen, Wei He, Sune Svanberg, Katarina Svanberg
Osteonecrosis of the femoral head (ONFH), a recalcitrant and disabling disease, is caused by inadequate or fully disrupted blood supply to the affected segment of the subchondral bone. Theoretically, there will develop gas-filled pores during the bone decay process due to lacking blood supply. Unfortunately, the relationship between the gas-filled pores and ONFH is still unclear. Here, we have introduced diode laser absorption spectroscopy to detect oxygen and water vapor signals in the femoral heads from hip replacement in 19 patients...
December 23, 2016: Journal of Biophotonics
https://www.readbyqxmd.com/read/28000841/genome-wide-association-scans-for-idiopathic-osteonecrosis-of-the-femoral-head-in-a-korean-population
#16
Seung-Hoon Baek, Kang-Il Kim, Kyung-Sik Yoon, Tae-Ho Kim, Shin-Yoon Kim
Osteonecrosis of the femoral head (ONFH) is a multifactorial disease and is associated with genetic predisposition, and exposure to certain risk factors. In particular, idiopathic ONFH in twins and the clustering of cases in families have indicated that genetic factors are involved. However, the majority of cases of ONFH are sporadic and various studies have demonstrated that differences in the study design and/or the ethnic groups analyzed leads to different results. The present study performed one of the first genome‑wide association studies to identify genetic loci that may increase the risk of idiopathic ONFH...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27994198/osteoprotegerin-polymorphisms-are-associated-with-alcohol-induced-osteonecrosis-of-femoral-head-in-chinese-han-population-from-henan-province
#17
Yizhou Li, Yongchang Guo, Quanjian Wang, Yongri Ouyang, Yuju Cao, Tianbo Jin, Jianzhong Wang
Alcohol-induced osteonecrosis of femoral head (ONFH) is one of the most important pathogenesis of nontraumatic ONFH. However, its pathogenesis mechanism is still unknown. Osteoprotegerin (OPG) has been implicated in multiple functions including blocking osteoclast maturation, controlling vascular calcifications, promoting tumour growth and metastasis. This study is focussed on OPG gene polymorphisms associated with alcohol-induced ONFH. A total of 509 participants (209 patients and 300 normal individuals) were recruited, and we selected 13 single-nucleotide polymorphisms (SNPs) to evaluate the association between genetic susceptibility variants and alcohol-induced ONFH by using the χ(2) test and genetic model analysis...
December 2016: Journal of Genetics
https://www.readbyqxmd.com/read/27930516/single-nucleotide-polymorphisms-of-mmp2-in-mmp-timp-pathways-associated-with-the-risk-of-alcohol-induced-osteonecrosis-of-the-femoral-head-in-chinese-males-a-case-control-study
#18
Yan Yu, Zhilan Xie, Jihan Wang, Chu Chen, Shuli Du, Peng Chen, Bin Li, Tianbo Jin, Heping Zhao
The proportion of alcohol-induced osteonecrosis of the femoral head (ONFH) in all ONFH patients was 30.7%, with males prevailing among the ONFH patients in mainland China (70.1%). Matrix metalloproteinase 2 (MMP2), a member of the MMP gene family, encodes the enzyme MMP2, which can promote osteoclast migration, attachment, and bone matrix degradation. In this case-control study, we aimed to investigate the association between MMP2 and the alcohol-induced ONFH in Chinese males.In total, 299 patients with alcohol-induced ONFH and 396 healthy controls were recruited for a case-control association study...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27912962/the-influence-of-traditional-chinese-medicine-constitutions-on-the-potential-repair-capacity-after-osteonecrosis-of-the-femoral-head
#19
Tong Yu, Zhennan Zhang, Limin Xie, Xun Ke, Yang Liu
OBJECTIVES: To explore the effects of traditional Chinese medicine (TCM) constitutions on repair capacity after osteonecrosis of the femoral head (ONFH). DESIGN AND SETTING: Ninety-six patients with TCM constitutions of yang-deficiency, dampness-heat and/or blood-stasis were recruited from the orthopedic outpatient clinic of the Guang'anmen Hospital of the China Academy of Chinese Medical Science. Each patient underwent computed tomography (CT) examination of the hips, and CAD software was used to estimate proximal sclerosis ratios based on the CT images...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27910957/mir-27a-attenuates-adipogenesis-and-promotes-osteogenesis-in-steroid-induced-rat-bmscs-by-targeting-ppar%C3%AE-and-grem1
#20
Chenxi Gu, Yan Xu, Shanfeng Zhang, Hongya Guan, Shi Song, Xiuli Wang, Yisheng Wang, Yuebai Li, Guoqiang Zhao
The imbalance between adipogenic and osteogenic differentiation in bone marrow mesenchymal stem cells (BMSCs) plays a significant role in the pathogenesis of steroid-induced osteonecrosis of the femoral head (ONFH). Several microRNAs (miRNAs) are involved in regulating adipogenesis and osteogenesis. In this study, we established a steroid-induced ONFH rat model to identify the potential relevant miRNAs. We identified 9 up-regulated and 28 down-regulated miRNAs in the ONFH rat model. Of these, miR-27a was down-regulated and negatively correlated with peroxisome proliferator-activated receptor gamma (PPARγ) and gremlin 1 (GREM1) expression...
December 2, 2016: Scientific Reports
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